21490986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{5519}}^1$

素因数の和:5594

約数の個数: 32

約数和(自身を含む): 47692800

約数和(自身を除く): 26201814

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 118, 177, 354, 649, 1298, 1947, 3894, 5519, 11038, 16557, 33114, 60709, 121418, 182127, 325621, 364254, 651242, 976863, 1953726, 3581831, 7163662, 10745493, 21490986]

約数ペア:

[(1, 21490986), (2, 10745493), (3, 7163662), (6, 3581831), (11, 1953726), (22, 976863), (33, 651242), (59, 364254), (66, 325621), (118, 182127), (177, 121418), (354, 60709), (649, 33114), (1298, 16557), (1947, 11038), (3894, 5519)]